code: def test_table_remove_delete_callback(self, sentinel):
      s = sentinel(False)
  
      def callback():
          s.set(True)
  
      tbl = Table([{"a": 1}])
      tbl.on_delete(callback)
      tbl.remove_delete(callback)
  
      tbl.delete()
  
      assert s.get() is False
  
file_path: perspective/python/perspective/perspective/tests/table/test_delete.py
imports: from perspective.table import Table
label_desc: Use image node_id 5 for calling the TestDelete obj's underlying member method code with example usage: obj.test_table_remove_delete_callback(sentinel) without return types